It is recommended that athletes avoid caffeine-containing beverages because of the negative effect these beverages have on fluid and electrolyte balance.
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Q. 2Caffeine is such a powerful diuretic that athletes and sedentary people should not count caffeinated beverages as part of their fluid intake.
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Q. 3All fluids can have a diuretic effect.
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Q. 4When the extracellular fluid is hypertonic to the intracellular fluid, there will be a net water movement out of the cell.
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Q. 5More water is lost during ventilation in warm, humid climates than in cold, drier climates.
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Q. 6Heavy sweating results in a loss of plasma water and a decrease in plasma sodium concentration.
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Q. 7Under normal conditions, sodium is actively pumped out of cells while potassium is simultaneously pumped into cells.
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Q. 8The two major forces that result in water movement are hydrostatic pressure and osmotic pressure.
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Q. 9The extracellular fluid (ECF) is referred to as the gateway because water must pass through the ECF to reach cells.
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Q. 10The interstitial fluid is a sub-compartment of the intracellular fluid.
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